(19)

(11)

EP 1 034 048 A1

(12)

(43) Date of publication: 13.09.2000 Bulletin 2000/37 (21) Application number: 97946213.2 (22) Date of filing: 24.11.1997

(51) International Patent Classification (IPC)7: B07C 5/342, G01N 21/88 (86) International application number: PCT/SE9701/971 (87) International publication number: WO 9929/442 (17.06.1999 Gazette 1999/24)

(84) Designated Contracting States: BE DE SE (71) Applicant: Svante Björk AB 434 37 Kungsbacka (SE)	(72) Inventor: BJÖRK, Svante S-434 37 Kungsbacka (SE) (74) Representative: Andersson, Per Rune  Albihns Patentbyra Göteborg ABP.O. Box 142 401 22 Göteborg 401 22 Göteborg (SE)